APRILIA Atlantic 300 Service Station Manual page 108

Engine
Refitting the driven pulley
- Refit the clutch bell.
Drive-belt
•
Make sure that the driving belt is not
damaged.
•
Check belt for correct width.
Characteristic
Driving belt - standard width
21.3 ± 0.2 mm
Driving belt - minimum width
19.5 mm
During the wear checks foreseen in the scheduled
maintenance services, check that the rim bottom
of the toothing does not show signs of incisions or
cracking (see figure): the rim bottom of the tooth
must not have incisions or cracking; if it does,
change the belt.
ENG - 108
ATLANTIC 300 i.e.